CN213598439U - Double-connection two-fork-rod fixed constant-speed universal coupling - Google Patents
Double-connection two-fork-rod fixed constant-speed universal coupling Download PDFInfo
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- CN213598439U CN213598439U CN202020638946.1U CN202020638946U CN213598439U CN 213598439 U CN213598439 U CN 213598439U CN 202020638946 U CN202020638946 U CN 202020638946U CN 213598439 U CN213598439 U CN 213598439U
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Abstract
The utility model discloses a fixed constant velocity universal coupling of two fork arms of pair, involve the universal coupling technical field, including driving end, driven end and two fork arms, driving end and driven end are set up in two sides of two fork arms symmetrically, one end of two fork arms is connected with the driving end, the other end of two fork arms is connected with the driven end; the driving end and the driven end both comprise: a rotating shaft; the one end of two pole bowl forms the body, and the one end of axis of rotation is connected with the one end of two pole bowl forms the body, has seted up first cylindrical concave type guide slot on the inner wall of one side of two pole bowl forms the body, and the cylindrical concave type guide slot of second has been seted up to the opposite side of two pole bowl forms the body, and the axis of rotation and the axis of first cylindrical concave type guide slot and the cylindrical concave type guide slot axis of second are located same horizontal plane. The device has the characteristics of simple structure, low cost, high precision and high efficiency.
Description
Technical Field
The utility model relates to universal joint technical field especially involves a pair two fixed constant speed universal coupling of fork pole.
Background
In the mechanical transmission device, the universal coupling makes the two shafts not in the same axis, and can realize continuous rotation of the two connected shafts under the condition of an included angle between the axes, and reliably transmit torque and motion. Universal couplings are widely used as mechanical parts for coupling two shafts (driving and driven) of different mechanisms to rotate together to transmit torque. The universal couplings have the common characteristics that the angular compensation amount is large, the two shaft included angles of the universal couplings with different structural types are different, the typical representative of the existing fixed universal couplings is a three-fork rod structure, and the structure and the manufacturing process are relatively complex and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pair fixed constant velocity universal joint of two fork poles for solve above-mentioned technical problem.
The utility model adopts the technical scheme as follows:
a double-connection two-fork rod fixed constant-speed universal joint comprises a driving end, a driven end and two fork rods, wherein the driving end and the driven end are symmetrically arranged on two sides of the two fork rods, one end of each two fork rod is connected with the driving end, and the other end of each two fork rod is connected with the driven end;
the driving end and the driven end both comprise:
a rotating shaft;
the shaft line of the rotating shaft, the axis line of the first cylindrical concave guide groove and the axis line of the second cylindrical concave guide groove are positioned on the same horizontal plane.
Preferably, the axis of each first cylindrical concave guide groove is parallel to the axis of a rotating shaft.
Preferably, the axis of each first cylindrical concave channel is perpendicular to the axis of each second cylindrical concave channel.
Preferably, the two forked rods comprise a main rod and two branch rods, the two branch rods are symmetrically arranged at two ends of the main rod, and the main rod and the two branch rods are connected to form an H-shaped structure.
Preferably, the two-fork lever further includes two first spherical sliders and two second spherical sliders, wherein one end of each of the support rods is provided with one of the first spherical sliders, the other end of each of the support rods is provided with one of the second spherical sliders, each of the first spherical sliders is slidably disposed in one of the first cylindrical concave guide grooves, and each of the second spherical sliders is rotatably disposed in one of the second cylindrical concave guide grooves.
Preferably, the two first spherical sliders are opposite, and the two second spherical sliders are opposite.
The technical scheme has the following advantages or beneficial effects:
the utility model discloses in, when output shaft and input shaft are parallel, can realize the constant speed transmission, especially its axis contained angle is less than 10, overall structure is simple, and is with low costs, the precision is high, efficient.
Drawings
FIG. 1 is a front view of a double wishbone fixed constant velocity universal joint of the present invention;
fig. 2 is a schematic view showing the internal structure of the double wishbone fixed constant velocity universal joint of the present invention.
In the figure: 1. an active end; 11. a rotating shaft; 12. a two-fork-lever bowl-shaped body; 2. a driven end; 3. a second fork arm; 31. a main rod; 32. a strut; 33. a first spherical surface slider; 34. a second spherical surface slider; 4. a first cylindrical concave channel; 5. a second cylindrical concave channel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is a front view of the fixed constant velocity universal joint of the present invention, and fig. 2 is an internal structure diagram of the fixed constant velocity universal joint of the present invention. Referring to fig. 1-2, there is shown a preferred embodiment of a dual two-pronged fixed constant velocity universal joint, comprising: the driving end 1, the driven end 2 and the two-fork rod 3, the driving end 1 and the driven end 2 are symmetrically arranged on two sides of the two-fork rod 3, one end of the two-fork rod 3 is connected with the driving end 1, and the other end of the two-fork rod 3 is connected with the driven end 2. In this embodiment, as shown in fig. 1, the driving end 1 and the driven end 2 are symmetrically disposed relative to the two forks 3, and an included angle is formed between the driving end 1 and the driven end 2. The position of the driving end 1 and the position of the driven end 2 can be interchanged, and when the included angle of the axes between the driving end 1 and the driven end 2 is fixed, the distance between the driving end 1 and the driven end 2 cannot be adjusted. The double-connection two-fork-rod fixed constant-speed universal coupling is mainly used in the places of precision machinery, spring processing, feeding mechanisms, extrusion mechanisms and the like.
The driving end 1 and the driven end 2 each include:
the shaft 11 is rotated. As shown in fig. 1, the rotating shaft 11 in the driving end 1 can be used as an input shaft, and the rotating shaft in the driven end 2 can be used as an output shaft; or the rotating shaft in the driven end serves as an input shaft and the rotating shaft in the driving end 1 serves as an output shaft. When the input shaft and the output shaft are parallel, the double two-forked fixed type constant velocity universal joint can realize equal angular velocity transmission.
The two pole bowl form body 12, the one end of axis of rotation 11 is connected with the one end of two pole bowl form body 12, has seted up first cylindrical concave guide slot 4 on the inner wall of one side of two pole bowl form body 12, and the second cylindrical concave guide slot 5 has been seted up to the opposite side of two pole bowl form body 12, and the axis of rotation 11 and the axis of first cylindrical concave guide slot 4 and the axis of second cylindrical concave guide slot 5 are located same horizontal plane. As shown in fig. 2, the first cylindrical concave guide groove 4 is provided along the left-right direction of the bicuspid bar bowl-shaped body 12, the second cylindrical concave guide groove 5 is provided along the up-down direction of the bicuspid bar bowl-shaped body 12, and the second cylindrical concave guide groove 5 is provided at the lower end of each of the driving end 1 and the driven end 2. As shown in fig. 1, the forked rod bowl-shaped body 12 is generally in the form of a cylindrical shell structure with one open end.
Further, as a preferred embodiment, the axis of each first cylindrical concave guide groove 4 is parallel to the axis of a rotating shaft 11.
Further, in a preferred embodiment, the axis of each of the first cylindrical grooves 4 is perpendicular to the axis of a second cylindrical groove 5.
Further, as a preferred embodiment, the two-branch bar 3 comprises a main bar 31 and two support bars 32, the two support bars 32 are symmetrically disposed at two ends of the main bar 31, and the main bar 31 and the two support bars 32 are connected to form an "H" shaped structure.
Further, as a preferred embodiment, the two-fork bar 3 further comprises two first spherical sliders 33 and two second spherical sliders 34, wherein one end of each of the support rods 32 is provided with one first spherical slider 33, the other end of each of the support rods 32 is provided with one second spherical slider 34, each of the first spherical sliders 33 is slidably disposed in one of the first cylindrical concave guide grooves 4, and each of the second spherical sliders 34 is rotatably disposed in one of the second cylindrical concave guide grooves 5. As shown in fig. 1, in this embodiment, when the rotating shaft 11 drives the forked bowl-shaped body 12 to rotate, the first spherical slider 33 slides back and forth in the first cylindrical concave guiding groove 4 along the left-right direction, the second spherical slider 34 rotates back and forth in the second cylindrical concave guiding groove 5 along the left-right direction, and each time the rotating shaft 11 rotates one turn, the first spherical slider 33 slides back and forth in the first cylindrical concave guiding groove 4 one time.
Further, as a preferred embodiment, the two first spherical sliders 33 are opposite to each other, and the two second spherical sliders 34 are opposite to each other.
Further, as a preferred embodiment, a first needle bearing (not shown) is disposed between each first spherical sliding block 33 and one end of each support rod 32, and a second needle bearing (not shown) is disposed between each second spherical sliding block 34 and the other end of each support rod 32. In the embodiment, the needle roller bearing is arranged, so that the transmission efficiency and the dynamic performance of the double-linkage two-fork rod fixed type constant velocity universal coupling can be improved.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (6)
1. A double-connection two-fork rod fixed constant-velocity universal joint is characterized by comprising a driving end, a driven end and two fork rods, wherein the driving end and the driven end are symmetrically arranged on two sides of the two fork rods, one end of each two fork rod is connected with the driving end, and the other end of each two fork rod is connected with the driven end;
the driving end and the driven end both comprise:
a rotating shaft;
the shaft line of the rotating shaft, the axis line of the first cylindrical concave guide groove and the axis line of the second cylindrical concave guide groove are positioned on the same horizontal plane.
2. A double wishbone fixed constant velocity universal joint according to claim 1 wherein the axis of each of said first cylindrical concave channels is parallel to the axis of a respective one of said rotating shafts.
3. A double wishbone fixed constant velocity universal joint according to claim 1 wherein the axis of each of said first cylindrical concave channels is perpendicular to the axis of a respective one of said second cylindrical concave channels.
4. The double wishbone fixed constant velocity universal joint according to claim 1, wherein said wishbone comprises a main stem and two struts, said struts being symmetrically disposed at opposite ends of said main stem, said main stem and said struts being connected to form an "H" configuration.
5. A dual pronged fixed constant velocity universal joint according to claim 4, wherein said bipod further includes two first spherical blocks and two second spherical blocks, wherein each of said struts has one of said first spherical blocks at one end thereof and one of said second spherical blocks at the other end thereof, each of said first spherical blocks being slidably disposed in one of said first cylindrical concave channels, and each of said second spherical blocks being rotatably disposed in one of said second cylindrical concave channels.
6. The dual bifurcated fixed constant velocity universal joint as claimed in claim 5, wherein said first spherical blocks are opposed and said second spherical blocks are opposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638946.1U CN213598439U (en) | 2020-04-24 | 2020-04-24 | Double-connection two-fork-rod fixed constant-speed universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638946.1U CN213598439U (en) | 2020-04-24 | 2020-04-24 | Double-connection two-fork-rod fixed constant-speed universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598439U true CN213598439U (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020638946.1U Active CN213598439U (en) | 2020-04-24 | 2020-04-24 | Double-connection two-fork-rod fixed constant-speed universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598439U (en) |
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2020
- 2020-04-24 CN CN202020638946.1U patent/CN213598439U/en active Active
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